Home / 39,805.02-59,707.26-12,103.02

Finding the Fourth Proportional to 39,805.02, 59,707.26 and 12,103.02

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Solution

The fourth proportional to 39,805.02, 59,707.26 and 12,103.02 is: 18,154.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,805.02 : 59,707.26 = 12,103.02 : x
  2. Step 2: Convert to fraction form
    39,805.02/59,707.26 = 12,103.02/x
  3. Step 3: Cross multiply
    39,805.02x = 59,707.26 × 12,103.02
  4. Step 4: Simplify right side
    39,805.02x = 722,638,161.93
  5. Step 5: Solve for x
    x = 722,638,161.93/39,805.02
  6. Step 6: Final answer
    x = 18,154.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.